Voron3D Wiki

Octopus Series

Comprehensive guide to BigTreeTech Octopus series control boards

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Overview#

The Octopus series represents BigTreeTech’s high-end mainboard offerings, designed for advanced 3D printers requiring extensive features and capabilities. These boards are particularly well-suited for complex printer configurations and professional applications.

Available Models#

Octopus V1.1#

  • Processor: STM32F446 (there are different vesrion, the wiki will be updated soon)
  • Stepper Drivers: 8x (configurable)
  • Connectivity: USB, UART, CAN
  • Price Range: $$$
  • Best For: High-end printers, multi-extruder setups

Octopus Pro V1.1#

  • Processor: STM32H743
  • Stepper Drivers: 8x (configurable)
  • Connectivity: USB, UART, CAN, Ethernet
  • Price Range: $$$$
  • Best For: Professional printers, complex setups

Octopus MAX EZ#

  • Processor: 32-bit 550 MHz ARM Cortex-M7 series STM32H723ZET6
  • Stepper Drivers: 10 EZ driver slots
  • Connectivity: USB, UART, CAN, SD card
  • Price Range: $$$$
  • Best For: Professional printers, complex setups

Key Features#

Hardware Features#

  • High-performance STM32 processors
  • 8 stepper driver support
  • Multiple connectivity options
  • CAN bus support
  • Ethernet capability (Pro model)
  • Multiple fan outputs
  • Advanced sensor support
  • Extensive GPIO options

Software Support#

  • Klipper firmware support
  • Marlin firmware support
  • Community firmware options
  • Extensive documentation
  • Active community support

Installation Guide#

Basic Setup#

  1. Mount the board in your printer
  2. Connect stepper motors
  3. Connect endstops
  4. Connect heaters and fans
  5. Flash firmware

Community Mods#

  • Custom cooling solutions
  • Additional connectivity options

References#

  1. BTT Official Documentation
  2. Community Modifications Database
  3. User Experience Reports